Impregnating porous mineral building sections comprises applying a dispersion of hydrophobic particles in a solvent on the building material, and removing the solvent

摘要

Impregnating porous mineral building sections comprises applying a dispersion of hydrophobic particles having a particle size of 5 nm to 100 Microm in a solvent on the building material, and removing the solvent. An independent claim is also included for impregnated porous mineral building sections produced by the above process.